Summarizes and analyzes national and state juvenile arrest data presented in the FBI report Crime in the United States 2004. As the Bulletin reports, the juvenile violent crime arrest rate in 2004 reached its lowest level since 1980. The rate, which grew substantially during the late 1980s and peaked in 1994, has decreased for 10 consecutive years. In 2004, it was half its 1994 peak level. The juvenile arrest rate for each of the offenses tracked in the FBI’s Violent Crime Index (murder, forcible rape, robbery, and aggravated assault) has been declining steadily since the mid-1990s; for murder, the rate fell 77% from its 1993 peak through 2004.